CN217856240U

CN217856240U - Pipette tip for reducing pollution probability

Info

Publication number: CN217856240U
Application number: CN202221492594.9U
Authority: CN
Inventors: 余满江; 余建明; 吴跃勤
Original assignee: Hangzhou A Gen Biotechnology Ltd
Current assignee: Hangzhou A Gen Biotechnology Ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-11-22
Anticipated expiration: 2032-06-15

Abstract

The utility model discloses a liquid-transfering gun head of pollution abatement probability, including the rifle head body, it has the connecting piece to peg graft on the rifle head body, is equipped with installation mechanism in the connecting piece, this internal sealing washer that is equipped with of rifle head, and the side of rifle head body is equipped with sealing mechanism, and the bottom of rifle head body is equipped with coupling mechanism, is equipped with the imbibition end on the coupling mechanism, is equipped with the filter layer in the imbibition end, and coupling mechanism includes the annular, and the annular is seted up in the bottom of rifle head body, is equipped with the screw thread in the annular, and the imbibition is served and is equipped with the ring, ring and annular threaded connection. The utility model discloses a be provided with sealing mechanism, dismantle the back at the rifle head body, play the sealed purpose to the rifle head body, prevent that the dust from getting into to pollute the rifle head body.

Description

Pipette tip for reducing pollution probability

Technical Field

The utility model relates to a pipette technical field specifically is a pipette head of pollution abatement probability.

Background

The pipette is one kind of pipettor, is commonly used in the laboratory to the transfer of a small amount of or trace liquid, and the specification is different, and the pipette of different specifications matches and uses the rifle head of different sizes, and the shape of different manufacturers' production is also slightly different, but theory of operation and operating method are unanimous basically, and the pipette belongs to precision instrument, uses and deposits all carefully, prevents to damage, avoids influencing its range.

An authorized public number CN208320837U discloses a liquid-transfer gun head for a liquid-transfer machine, which comprises; the gun head is hollow conical; the gun head comprises a liquid suction end and a connecting end, and the liquid suction end is provided with a liquid suction port; the connecting piece is fixedly arranged on the liquid transferring device; the connecting piece is provided with an accommodating cavity for embedding the connecting end of the gun head; and the locking mechanism is used for connecting and locking the connecting end of the gun head to the accommodating cavity. The locking mechanism comprises a first locking assembly, the first locking assembly comprises a first bulge and a first spring, and the first bulge is connected with the first spring; the link is equipped with the guide way that is used for placing first locking Assembly, and first arch slides and sets up in the guide way. The utility model has simple structure and convenient operation, and can realize the quick connection between the pipette head and the pipette; the purity of the absorbed reagent and solution is ensured, and the accuracy of scientific experiments is improved.

However, the design scheme has some defects, firstly, when the pipette tip is not used, a sealing mechanism is not arranged, dust is easy to adhere to the pipette tip, so that the pipette tip is polluted, and secondly, when a filtering layer is blocked, the filtering layer cannot be replaced, so that the whole pipette tip is scrapped.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid-transfering gun head of pollution abatement probability to solve the above-mentioned problem that proposes.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pipette tip of pollution probability reduction, includes the rifle head body, it has the connecting piece to peg graft on the rifle head body, be equipped with installation mechanism in the connecting piece, through being provided with installation mechanism, play the purpose of high-speed joint rifle head body and connecting piece, this internal sealing washer that is equipped with of rifle head plays sealed purpose through being provided with the sealing washer, the side of rifle head body is equipped with sealing mechanism, through being provided with sealing mechanism, after the dismantlement of rifle head body, plays the purpose sealed to the rifle head body, prevents that the dust from getting into to pollute rifle head body, the bottom of rifle head body is equipped with coupling mechanism, through being provided with coupling mechanism, when the filter layer takes place to block up, plays the purpose of conveniently dismantling and changing the imbibition end, prevents to lead to the change of whole rifle head body because of the filter layer takes place to block up, the last imbibition end that is equipped with of coupling mechanism, be equipped with the filter layer in the imbibition end, coupling mechanism includes the annular, the annular is seted up in the bottom of rifle head body, be equipped with the screw thread in the annular, the imbibition end is equipped with the ring, ring and annular thread connection, through being provided with annular and ring, plays the purpose of conveniently dismantling body and imbibition end.

Preferably, the mounting mechanism comprises a spring groove, the spring groove is arranged in the connecting piece, a first spring is arranged in the spring groove, and the first spring is in a compressed state.

Preferably, the one end of first spring is equipped with the limiting plate, one side of limiting plate is equipped with presses pole and inserted bar, press pole and inserted bar and all run through the connecting piece, through being provided with the inserted bar, be convenient for plug in the slot.

Preferably, slots are formed in two sides of the inner wall of the gun head body, and the insertion rods are convenient to insert and connect through the slots.

Preferably, the sealing mechanism comprises a cover plate, the cover plate is rotatably connected to the side face of the gun head body, and the gun head body is convenient to seal through the cover plate.

Preferably, a sliding groove is formed in the cover plate, a sliding block is arranged in the sliding groove in a sliding mode, a first clamping block is arranged on the sliding block, a second spring is arranged on the side face of the sliding block and is in a compression state, and one end of the second spring is fixedly connected with the inner wall of the sliding groove.

Preferably, the second clamping block is arranged on the side face of the gun head body, and the first clamping block is conveniently clamped through the second clamping block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a be provided with sealing mechanism, dismantle the back at the rifle head body, play the purpose sealed to the rifle head body, prevent that the dust from getting into to pollute rifle head body.

2. The utility model discloses a be provided with coupling mechanism, when the filter layer takes place to block up, play the purpose of conveniently dismantling and changing the imbibition end, prevent to take place to block up because of the filter layer, lead to the change of whole rifle head body.

3. The utility model discloses a be provided with installation mechanism, play the purpose of high-speed joint rifle head body and connecting piece.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the position A of the present invention;

fig. 3 is a schematic view of the liquid suction end of the present invention.

In the figure: 1. a gun head body; 2. inserting a rod; 3. a liquid suction end; 4. a filter layer; 5. a ring groove; 6. a circular ring; 7. a slot; 8. a second fixture block; 9. a connecting member; 10. pressing a rod; 11. a cover plate; 12. a slider; 13. a second spring; 14. a chute; 15. a limiting plate; 16. a first spring; 17. a spring slot; 18. and a second clamping block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Please refer to fig. 1 and fig. 3, a pipette tip for reducing pollution probability in the figure, including a tip body 1, a connector 9 is inserted on the tip body 1, a mounting mechanism is arranged in the connector 9, through being provided with the mounting mechanism, the purpose of quickly connecting the tip body 1 and the connector 9 is achieved, a sealing ring is arranged in the tip body 1, through being provided with the sealing ring, the purpose of sealing is achieved, a sealing mechanism is arranged on a side surface of the tip body 1, through being provided with the sealing mechanism, after the tip body 1 is disassembled, the purpose of sealing the tip body 1 is achieved, dust is prevented from entering, thereby polluting the tip body 1, a connecting mechanism is arranged at a bottom end of the tip body 1, through being provided with the connecting mechanism, when the filter layer 4 is blocked, the purpose of conveniently disassembling and replacing the liquid-absorbing end 3 is achieved, the replacement of the whole tip body 1 due to the blocking of the filter layer 4 is prevented, a liquid-absorbing end 3 is arranged on the connecting mechanism, a filter layer 4 is arranged in the liquid-absorbing end 3, the connecting mechanism includes a ring groove 5, the ring groove 5 is arranged at the bottom end of the tip body 1, a thread is arranged in the ring groove 5, a thread is arranged on the ring groove 3, a ring groove 6 is arranged on the ring groove 5, and a purpose of conveniently disassembling the tip body 1 and a ring groove 3.

Wherein, installation mechanism includes spring groove 17, spring groove 17 is seted up in connecting piece 9, be equipped with first spring 16 in the spring groove 17, first spring 16 is in compression state, the one end of first spring 16 is equipped with limiting plate 15, one side of limiting plate 15 is equipped with presses pole 10 and inserted bar 2, press pole 10 and inserted bar 2 all through connection 9, through being provided with inserted bar 2, be convenient for plug in the slot 7, slot 7 has all been seted up to rifle head body 1's inner wall both sides, through being provided with slot 7, be convenient for the grafting of inserted bar 2.

When this liquid-transfering rifle head used: when the gun head body 1 is installed, the pressing rod 10 is pressed in opposite directions, the pressing rod 10 drives the inserting rod 2 to enter the spring groove 17 through the limiting plate 15, then the connecting piece 9 is inserted into the gun head body 1, the sealing ring is squeezed, the pressing rod 10 is loosened, the inserting block 2 is tightly attached to the inner wall of the gun head body 1 under the action of the first spring 16, the connecting piece 9 is continuously pressed downwards until the inserting block 2 is inserted into the inserting groove 7, the purpose of quickly connecting the gun head body 1 and the connecting piece 9 is achieved, when the filtering layer 4 in the liquid absorption end 3 is blocked and cannot be used, the liquid absorption end 3 is rotated until the liquid absorption end 3 is separated from the gun head body 1, then the new liquid absorption end 3 is connected into the annular groove 5 through the circular ring 6 in a threaded mode, and therefore the phenomenon that the whole gun head body 1 is scrapped due to blocking of the filtering layer 4 is avoided.

Example 2

Please refer to fig. 1 and 2, this embodiment further describes embodiment 1, a pipette tip for reducing pollution probability in the figure, including a tip body 1, a connecting member 9 is inserted on the tip body 1, an installing mechanism is arranged in the connecting member 9, by providing the installing mechanism, the purpose of quickly connecting the tip body 1 and the connecting member 9 is achieved, a sealing ring is arranged in the tip body 1, by providing the sealing ring, the purpose of sealing is achieved, a sealing mechanism is arranged on a side surface of the tip body 1, by providing the sealing mechanism, after the tip body 1 is disassembled, the purpose of sealing the tip body 1 is achieved, dust is prevented from entering, thereby polluting the tip body 1, a connecting mechanism is arranged at the bottom end of the tip body 1, by providing the connecting mechanism, when the filtering layer 4 is plugged, the purpose of conveniently disassembling and replacing the liquid suction end 3 is achieved, the replacement of the whole tip body 1 due to the plugging of the filtering layer 4 is prevented, the liquid suction end 3 is arranged on the connecting mechanism, a liquid suction end 4 is arranged in the connecting mechanism, the connecting mechanism includes an annular groove 5, the annular groove 5 is arranged at the bottom end of the tip body 1, a thread is provided with a circular groove 6, and a circular groove 3 is arranged on the filtering layer, and a circular groove 5 is provided for facilitating the disassembly of the tip body.

Wherein, sealing mechanism includes apron 11, apron 11 rotates to be connected in the side of rifle head body 1, through being provided with apron 11, rifle head body 1 is convenient for seal, spout 14 has been seted up on the apron 11, it is provided with slider 12 to slide in the spout 14, be equipped with first fixture block 18 on slider 12, the side of slider 12 is equipped with second spring 13, second spring 13 is in compression state, the one end of second spring 13 and the inner wall fixed connection of spout 14, side second fixture block 8 of rifle head body 1, through being provided with second fixture block 8, the joint of first fixture block 18 of being convenient for.

In this embodiment, after the gun head body 1 is detached from the connecting piece 9, the sliding block 12 is pulled until the sliding block 12 moves to one side of the sliding groove 14, then the cover plate 11 is rotated to cover the top end of the gun head body 1 with the cover plate 11, the sliding block 12 is loosened, the sliding block 12 drives the first clamping block 18 to be clamped on the second clamping block 8, the purpose of fixing the cover plate 11 is achieved, dust is prevented from entering, and therefore the gun head body 1 is polluted.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pipette tip for reducing the chance of contamination, comprising:

rifle head body (1), it has connecting piece (9) to peg graft on rifle head body (1), be equipped with installation mechanism in connecting piece (9), be equipped with the sealing washer in rifle head body (1), the side of rifle head body (1) is equipped with sealing mechanism, the bottom of rifle head body (1) is equipped with coupling mechanism, be equipped with imbibition end (3) on the coupling mechanism, be equipped with filter layer (4) in imbibition end (3), coupling mechanism includes annular (5), the bottom of rifle head body (1) is seted up in annular (5), be equipped with the screw thread in annular (5), be equipped with ring (6) on imbibition end (3), ring (6) and annular (5) threaded connection.

2. A pipette tip for reducing the chance of contamination according to claim 1, in which: the mounting mechanism comprises a spring groove (17), the spring groove (17) is formed in the connecting piece (9), and a first spring (16) is arranged in the spring groove (17).

3. A pipette tip for reducing the chance of contamination according to claim 2, in which: one end of the first spring (16) is provided with a limiting plate (15), one side of the limiting plate (15) is provided with a pressing rod (10) and an inserting rod (2), and the pressing rod (10) and the inserting rod (2) penetrate through the connecting piece (9).

4. A pipette tip for reducing the chance of contamination according to claim 1, in which: slots (7) are formed in the two sides of the inner wall of the gun head body (1).

5. A pipette tip for reducing the chance of contamination according to claim 1, characterised in that: the sealing mechanism comprises a cover plate (11), and the cover plate (11) is rotatably connected to the side surface of the gun head body (1).

6. A pipette tip for reducing the chance of contamination according to claim 5, in which: the improved structure of the spring lock is characterized in that a sliding groove (14) is formed in the cover plate (11), a sliding block (12) is arranged in the sliding groove (14) in a sliding mode, a first clamping block (18) is arranged on the sliding block (12), a second spring (13) is arranged on the side face of the sliding block (12), and one end of the second spring (13) is fixedly connected with the inner wall of the sliding groove (14).

7. A pipette tip for reducing the chance of contamination according to claim 1, characterised in that: and a second fixture block (8) is arranged on the side surface of the gun head body (1).